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Employee Information - Summary of Wages and Salaries and Social Security Expenses (Detail) - SEK (kr) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of Information About Employees [line items] |  |  |
Wages and salaries | kr 166,406,417 | kr 154,729,302 | kr 152,100,147
Social security expenses | 85,776,085 | 64,768,431 | kr 82,824,511
Employee remuneration [member] |  |  |
Disclosure of Information About Employees [line items] |  |  |
Wages and salaries | 77,983,000,000 | 84,996,000,000 |
Social security expenses | 15,422,000,000 | 16,442,000,000 |
Of which pension costs | kr 5,929,000,000 | kr 6,175,000,000 |

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- Definition Defined contribution and defined benefit plan expense. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Line items representing the information about employees. + References No definition available. + Details
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- Definition A class of employee benefits expense that represents social security contributions. [Refer: Employee benefits expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 9 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_9&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 9 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_9&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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